diff options
| -rw-r--r-- | hw/nvram/fw_cfg.c | 33 | ||||
| -rw-r--r-- | include/hw/nvram/fw_cfg.h | 4 |
2 files changed, 32 insertions, 5 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index d0820e507b..f5dc3ea845 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -42,6 +42,7 @@ typedef struct FWCfgEntry { uint8_t *data; void *callback_opaque; FWCfgCallback callback; + FWCfgReadCallback read_callback; } FWCfgEntry; struct FWCfgState { @@ -249,8 +250,12 @@ static uint8_t fw_cfg_read(FWCfgState *s) if (s->cur_entry == FW_CFG_INVALID || !e->data || s->cur_offset >= e->len) ret = 0; - else + else { + if (e->read_callback) { + e->read_callback(e->callback_opaque, s->cur_offset); + } ret = e->data[s->cur_offset++]; + } trace_fw_cfg_read(s, ret); return ret; @@ -381,7 +386,10 @@ static const VMStateDescription vmstate_fw_cfg = { } }; -void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len) +static void fw_cfg_add_bytes_read_callback(FWCfgState *s, uint16_t key, + FWCfgReadCallback callback, + void *callback_opaque, + void *data, size_t len) { int arch = !!(key & FW_CFG_ARCH_LOCAL); @@ -391,6 +399,13 @@ void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len) s->entries[arch][key].data = data; s->entries[arch][key].len = (uint32_t)len; + s->entries[arch][key].read_callback = callback; + s->entries[arch][key].callback_opaque = callback_opaque; +} + +void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len) +{ + fw_cfg_add_bytes_read_callback(s, key, NULL, NULL, data, len); } void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value) @@ -444,8 +459,9 @@ void fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback, s->entries[arch][key].callback = callback; } -void fw_cfg_add_file(FWCfgState *s, const char *filename, - void *data, size_t len) +void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, + FWCfgReadCallback callback, void *callback_opaque, + void *data, size_t len) { int i, index; size_t dsize; @@ -459,7 +475,8 @@ void fw_cfg_add_file(FWCfgState *s, const char *filename, index = be32_to_cpu(s->files->count); assert(index < FW_CFG_FILE_SLOTS); - fw_cfg_add_bytes(s, FW_CFG_FILE_FIRST + index, data, len); + fw_cfg_add_bytes_read_callback(s, FW_CFG_FILE_FIRST + index, + callback, callback_opaque, data, len); pstrcpy(s->files->f[index].name, sizeof(s->files->f[index].name), filename); @@ -477,6 +494,12 @@ void fw_cfg_add_file(FWCfgState *s, const char *filename, s->files->count = cpu_to_be32(index+1); } +void fw_cfg_add_file(FWCfgState *s, const char *filename, + void *data, size_t len) +{ + fw_cfg_add_file_callback(s, filename, NULL, NULL, data, len); +} + static void fw_cfg_machine_ready(struct Notifier *n, void *data) { size_t len; diff --git a/include/hw/nvram/fw_cfg.h b/include/hw/nvram/fw_cfg.h index f60dd676c8..2ab0fc2950 100644 --- a/include/hw/nvram/fw_cfg.h +++ b/include/hw/nvram/fw_cfg.h @@ -60,6 +60,7 @@ typedef struct FWCfgFiles { } FWCfgFiles; typedef void (*FWCfgCallback)(void *opaque, uint8_t *data); +typedef void (*FWCfgReadCallback)(void *opaque, uint32_t offset); void fw_cfg_add_bytes(FWCfgState *s, uint16_t key, void *data, size_t len); void fw_cfg_add_string(FWCfgState *s, uint16_t key, const char *value); @@ -70,6 +71,9 @@ void fw_cfg_add_callback(FWCfgState *s, uint16_t key, FWCfgCallback callback, void *callback_opaque, void *data, size_t len); void fw_cfg_add_file(FWCfgState *s, const char *filename, void *data, size_t len); +void fw_cfg_add_file_callback(FWCfgState *s, const char *filename, + FWCfgReadCallback callback, void *callback_opaque, + void *data, size_t len); FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, hwaddr crl_addr, hwaddr data_addr); |